Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

An electron has a positive charge and a proton has a negative charge
An electron has a negative charge and a proton has no charge
None of these
An electron has a positive charge and a proton has no charge
An electron has a negative charge and a proton has a positive charge

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Electronic Principles
The north pole of a magnet is the one:

that would be repelled by the south pole of another magnet
that would be attracted to the earth's north magnetic pole
that would be attracted to the earth's south magnetic pole
None of these
that has its molecules arranged in a random pattern

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